Background Predicting progression to aortic valve replacement (AVR) in moderate aortic stenosis (AS) is challenging. This ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. A wildfire camera caught the moments when a ...

As winter sets in at Titan's south pole, a cloud system called the south polar vortex (small, bright 'button') has been forming, as seen in this 2013 image. Disclaimer: AAAS and EurekAlert! are not ...

It's not something you get to see every day – a giant vortex as it forms in a lake. It formed in Lake Texoma in Texas. The vortex is so large it could swallow an entire boat. The U.S. Army Corps of ...

It may sound unbelievable, but new research suggests that instead of being featureless, dark matter could actually behave like a cosmic superfluid, forming swirling vortex lines and stable rotating ...

A waterspout appeared off the Indonesian coast during low tide. Footage captured by Armand Putra Pertma shows the vortex forming in the sky over Meranti Eilanden, Riau. It can be seen spinning in the ...

A frigid start to the year has been forecast for New Yorkers, with the polar vortex set to push icy air throughout much of the U.S. in January. The Arctic polar vortex is a strong band of west-to-east ...

Sunday was a very interesting day weather-wise over the Great Lakes and small areas of Michigan. The weather pattern gave us a perfect view of how the Great Lakes can make “mini-blizzards.” Four ...